33 Utility Patents
#253 in Shizuoka
#16,889 in Japan
#79,099 in the World
Forward Citations = 345
Company Filing History:

Other
Dowa Mining Co., Ltd.
4. 1 out of 13
Shinohara Machinery Co., Ltd.
5. 1 out of 1
Shinohara Machiner Co., Ltd.
where one patent can have more than one assignee
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